Question 1

A disease in which the alveoli are distended and their walls damaged so that surface areas for gas exchange is reduced is

Accepted Answer

A)  bronchitis.
B)  emphysema.
C)  pulmonary tuberculosis.
D)  pneumonia.E) All of the above
F) None of the above

Question 2

Which of these organisms is able to use several body surfaces,such as gills,skin,and lungs,for respiration?

Accepted Answer

A)  humans
B)  birds
C)  amphibians
D)  reptiles
E)  None of the above are correct.F) A) and D)
G) C) and D)

Question 3

Which organisms use negative pressure to move air into the lungs?

Accepted Answer

A)  ducks
B)  iguanas
C)  humans
D)  mice
E)  All of these use negative pressure to move air into their lungs.F) C) and E)
G) A) and B)

Question 4

Which of the following disorder is not associated with the lower respiratory tract?

Accepted Answer

A)  Asthma
B)  Pneumonia
C)  Sinus infection
D)  Pulmonary tuberculosis
E)  EmphysemaF) B) and D)
G) A) and D)

Question 5

Pulmonary tuberculosis in an otherwise healthy individual may indicate a compromised immune system or HIV infection.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following increases the surface area available for gas exchange among various organisms?

Accepted Answer

A)  finely divided inner lung surface in mammals
B)  tubular body shape,as in annelids
C)  finely divided gills in fish
D)  flattened body,as in planarians
E)  All of these choices increase surface area.F) None of the above
G) All of the above

Question 7

The earthworm is a terrestrial animal that uses its ________ in respiration.

Accepted Answer

A)  parapodia
B)  tracheoles
C)  body surface
D)  gills
E)  lungsF) None of the above
G) B) and D)

Question 8

If an individual wanted to hold their breath underwater for a long period of time they would breath very rapidly prior to the dive.What does this accomplish?

Accepted Answer

A)  They would increase the amount of CO2 in their bloodstream which would cause them to temporarily stop breathing.
B)  They would decrease the amount of CO2 in their bloodstream which would cause them to temporarily stop breathing.
C)  They would increase the amount of H+ in their bloodstream which would cause them to temporarily stop breathing.
D)  They would decrease the amount of H+ in their bloodstream which would cause them to temporarily stop breathing.E) All of the above
F) C) and D)

Question 9

In small aquatic animals,such as hydra and planarians,the most common structure used for gas exchange is the

Accepted Answer

A)  lungs.
B)  body surface.
C)  gills.
D)  cardiovascular system.E) A) and B)
F) B) and C)

Question 10

Animals must continually acquire oxygen and release carbon dioxide because they do not have a storage area for gases.

Accepted Answer

A) True 
 B)False

Question 11

Opercula are

Accepted Answer

A)  gills on a lobster.
B)  gill covers on a fish.
C)  extensions of the body wall in polychaete worms.
D)  internal spaces in a planarian used in digestion and respiration.
E)  tentacles on a hydra.F) None of the above
G) B) and C)

Question 12

Which association is NOT correct?

Accepted Answer

A)  Emphysema - chronic,incurable lung disorder in which the alveoli distend and the surface for gas exchange is reduced
B)  Lung cancer - symptoms include coughing,shortness of breath and blood in the sputum
C)  Pulmonary fibrosis - fibrous connective tissue builds up in the lungs preventing them from inflating properly
D)  Cystic fibrosis - infectious disease that is caused by the bacterium M.tuberculosis
E)  Pneumonia - is a viral,bacterial or fungal infection that cause the bronchi to fill with pus and fluidF) A) and B)
G) B) and C)

Question 13

Identify the correct pathway of an oxygen molecule as it goes from the nose to the alveolus.

Accepted Answer

A)  nostril,nasal cavity,pharynx,glottis,larynx,trachea,bronchus,bronchiole,alveoli
B)  nostril,nasal cavity,glottis,larynx,pharynx,trachea,bronchus,bronchiole,alveoli
C)  nostril,nasal cavity,larynx,glottis,pharynx,trachea,bronchus,bronchiole,alveoli
D)  nostril,nasal cavity,pharynx,glottis,larynx,trachea,bronchiole,bronchus,alveoliE) B) and D)
F) A) and C)

Question 14

Common colds are upper respiratory tract infections.Why are vaccinations against the common cold not practical?

Accepted Answer

A)  There are so many different strains of viruses that cause colds it would be impossible to develop a vaccine against all of them.
B)  Vaccines are very costly to develop.
C)  Vaccines would not work against the common cold because it is caused by a bacterial infection.
D)  Colds are caused by viruses that cannot be prevented by vaccinations.
E)  Vaccinations do not work in the upper respiratory tract.F) None of the above
G) A) and C)

Question 15

Ventilation includes

Accepted Answer

A)  inspiration.
B)  expiration.
C)  illumination.
D)  All of the above are correct.
E)  Both inspiration and expiration.F) All of the above
G) A) and E)

Question 16

Which statement is correct about how carbon dioxide is carried in the bloodstream?

Accepted Answer

A)  Carbon dioxide enters the bloodstream from the tissues.It then combines with hemoglobin to form carbaminohemoglobin but most of it is carried in the form of bicarbonate.
B)  Carbon dioxide enters the bloodstream from the atmosphere.It then combines with hemoglobin to form carbaminohemoglobin but most of it is carried in the form of bicarbonate.
C)  Carbon dioxide enters the bloodstream from the tissues.It then combines with hydrogen ions to form bicarbonate ion but most of it is carried in the form of carbaminohemoglobin.
D)  Carbon dioxide enters the bloodstream from the tissues.It then combines with hemoglobin to form bicarbonate ion but most of it is carried in the form of carbaminohemoglobin in the bloodstream.
E)  Carbon dioxide enters the bloodstream from the atmosphere.It then combines with water to form carbonic acid but most of it is carried in the form of bicarbonate.F) A) and B)
G) B) and C)

Question 17

Ventilation causes alveoli of the lungs to have _______ the blood in pulmonary capillaries.

Accepted Answer

A)  a lower PO2 and a higher PCO2 than
B)  the same PO2 and PCO2 as
C)  a higher PO2 and a lower PCO2 than
D)  None of the above are correct.E) B) and C)
F) None of the above

Question 18

Carbonic anhydrase

Accepted Answer

A)  is a digestive enzyme.
B)  is dissolved in plasma.
C)  speeds up the conversion of carbonic acid to carbon dioxide and water.
D)  speeds up the conversion of carbon dioxide to oxygen.
E)  speeds up the conversion of oxyhemoglobin.F) A) and E)
G) A) and B)

Question 19

Gills are used in respiration by all of the following aquatic animals EXCEPT

Accepted Answer

A)  clams.
B)  fishes.
C)  crabs.
D)  polychaete worms.E) C) and D)
F) None of the above

Question 20

How do insects overcome the inefficiency of their hemolymph flow in taking oxygen to their tissues?

Accepted Answer

A)  Their bodies are tubular,thus increasing the body surface area where gaseous exchange takes place.
B)  Their respiratory system consists of tracheae,which are tiny air tubes that take oxygen directly to the cells.
C)  A countercurrent mechanism ensures that the maximum amount of oxygen is absorbed from the environment.
D)  Insects have highly vascularized extensions of their body walls,called parapodia.E) A) and B)
F) A) and C)

Exam 35: Respiratory Systems

The earthworm is a terrestrial animal that uses its ________ in respiration.

Correct AnswerverifiedShow Answer

Opercula are

Correct AnswerverifiedShow Answer

Which of these organisms is able to use several body surfaces,such as gills,skin,and lungs,for respiration?

Correct AnswerverifiedShow Answer

Carbonic anhydrase

Correct AnswerverifiedShow Answer

If an individual wanted to hold their breath underwater for a long period of time they would breath very rapidly prior to the dive.What does this accomplish?

Correct AnswerverifiedShow Answer

Gills are used in respiration by all of the following aquatic animals EXCEPT

Correct AnswerverifiedShow Answer

Ventilation causes alveoli of the lungs to have _______ the blood in pulmonary capillaries.

Correct AnswerverifiedShow Answer

Which association is NOT correct?

Correct AnswerverifiedShow Answer

Which statement is correct about how carbon dioxide is carried in the bloodstream?

Correct AnswerverifiedShow Answer

Which of the following disorder is not associated with the lower respiratory tract?

Correct AnswerverifiedShow Answer

How do insects overcome the inefficiency of their hemolymph flow in taking oxygen to their tissues?

Correct AnswerverifiedShow Answer

Ventilation includes

Correct AnswerverifiedShow Answer

Animals must continually acquire oxygen and release carbon dioxide because they do not have a storage area for gases.

Correct AnswerverifiedShow Answer

Which of the following increases the surface area available for gas exchange among various organisms?

Correct AnswerverifiedShow Answer

Pulmonary tuberculosis in an otherwise healthy individual may indicate a compromised immune system or HIV infection.

Correct AnswerverifiedShow Answer

Common colds are upper respiratory tract infections.Why are vaccinations against the common cold not practical?

Correct AnswerverifiedShow Answer

Which organisms use negative pressure to move air into the lungs?

Correct AnswerverifiedShow Answer

In small aquatic animals,such as hydra and planarians,the most common structure used for gas exchange is the

Correct AnswerverifiedShow Answer

A disease in which the alveoli are distended and their walls damaged so that surface areas for gas exchange is reduced is

Correct AnswerverifiedShow Answer

Identify the correct pathway of an oxygen molecule as it goes from the nose to the alveolus.

Correct AnswerverifiedShow Answer

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